def set_gps_location(file_name, lat, lng, alt, t):
"""
see: http://stackoverflow.com/questions/453395/what-is-the-best-way-to-geotag-jpeg-images-with-python
Adds GPS position as EXIF metadata
Keyword arguments:
file_name -- image file
lat -- latitude (as float)
lng -- longitude (as float)
"""
m = pyexiv2.ImageMetadata(file_name)
m.read()
m["Exif.GPSInfo.GPSLatitude"] = mav_position.decimal_to_dms(lat)
m["Exif.GPSInfo.GPSLatitudeRef"] = 'N' if lat >= 0 else 'S'
m["Exif.GPSInfo.GPSLongitude"] = mav_position.decimal_to_dms(lng)
m["Exif.GPSInfo.GPSLongitudeRef"] = 'E' if lng >= 0 else 'W'
m["Exif.Image.GPSTag"] = 654
m["Exif.GPSInfo.GPSMapDatum"] = "WGS-84"
m["Exif.GPSInfo.GPSVersionID"] = '2 0 0 0'
m["Exif.Image.DateTime"] = datetime.datetime.fromtimestamp(t)
try:
m["Exif.GPSInfo.GPSAltitude"] = mav_position.Fraction(alt)
except Exception:
pass
m.write()
def set_gps_location(file_name, lat, lng, alt, t):
"""
see: http://stackoverflow.com/questions/453395/what-is-the-best-way-to-geotag-jpeg-images-with-python
Adds GPS position as EXIF metadata
Keyword arguments:
file_name -- image file
lat -- latitude (as float)
lng -- longitude (as float)
"""
lat_deg = to_deg(lat, ["S", "N"])
lng_deg = to_deg(lng, ["W", "E"])
# convert decimal coordinates into degrees, munutes and seconds
exiv_lat = (pyexiv2.Rational(lat_deg[0] * 60 + lat_deg[1],
60), pyexiv2.Rational(lat_deg[2] * 100, 6000),
pyexiv2.Rational(0, 1))
exiv_lng = (pyexiv2.Rational(lng_deg[0] * 60 + lng_deg[1],
60), pyexiv2.Rational(lng_deg[2] * 100, 6000),
pyexiv2.Rational(0, 1))
m = pyexiv2.ImageMetadata(file_name)
m.read()
m["Exif.GPSInfo.GPSLatitude"] = exiv_lat
m["Exif.GPSInfo.GPSLatitudeRef"] = lat_deg[3]
m["Exif.GPSInfo.GPSLongitude"] = exiv_lng
m["Exif.GPSInfo.GPSLongitudeRef"] = lng_deg[3]
m["Exif.Image.GPSTag"] = 654
m["Exif.GPSInfo.GPSMapDatum"] = "WGS-84"
m["Exif.GPSInfo.GPSVersionID"] = '2 0 0 0'
m["Exif.Image.DateTime"] = datetime.datetime.fromtimestamp(t)
try:
m["Exif.GPSInfo.GPSAltitude"] = mav_position.Fraction(alt)
except Exception:
pass
m.write()
def test_Fraction():
fr = mav_position.Fraction(0.3)
assert fr == fractions.Fraction(3, 10)